Klaus follows an office worker who wakes up in a basement with no idea who or where he is. His only clue is the word 'KLAUS' tattooed on his arm, he is forced to escape the mechanical & constructivist world in which he finds himself a prisoner. Along with another playable character called K1—a friendly brute—he embarks on an existential journey, exploring the idea of the fourth wall and awareness of the player playing the game.